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Finding the Fourth Proportional to 114,228.80, 171,343.20 and 87,984.80

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Solution

The fourth proportional to 114,228.80, 171,343.20 and 87,984.80 is: 131,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,228.80 : 171,343.20 = 87,984.80 : x
  2. Step 2: Convert to fraction form
    114,228.80/171,343.20 = 87,984.80/x
  3. Step 3: Cross multiply
    114,228.80x = 171,343.20 × 87,984.80
  4. Step 4: Simplify right side
    114,228.80x = 15,075,597,183.36
  5. Step 5: Solve for x
    x = 15,075,597,183.36/114,228.80
  6. Step 6: Final answer
    x = 131,977.20

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